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Transmission and drivetrainPart report

2021 GMC Canyon Transmission and drivetrain Problems

Complaints
2about this part
Share
17%of 12 total for the year
Median mileage
58,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the transmission and drivetrain of the 2021 GMC Canyon, 17% of the 12 complaints for this model year. Where a mileage was given, the median is 58,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The contact owns a 2021 GMC Canyon. The contact stated while driving 6 MPH and going over a speed bump, the contact heard an abnormal knocking sound emanating from the driver’s side suspension. No warning lights were illuminated. The vehicle was taken to the dealer, who determined that the upper control arm was striking the suspension spring. The vehicle was not repaired. The manufacturer was notified of the failure but provided no assistance. The failure mileage was 47,000.”

NHTSA complaint #11572439, filed 2024-02, 47,000 miles

“The contact owns a 2021 GMC Canyon. The contact stated that while driving approximately 50 MPH, the vehicle vibrated and shuddered abnormally. The contact stated that there were no warning lights illuminated. The contact stated that the failure was intermittent at first but became a recurring failure. The contact stated that the check engine warning light had recently illuminated. The vehicle was taken to several independent mechanics who informed the contact of a known transmission failure and a national recall. …”

NHTSA complaint #11679892, filed 2025-08, 69,000 miles

Related service bulletins

Transmission and drivetrain: other model years

YearComplaintsShare of year
2026338%
202442%
2023610%
2022518%
2021217%
2020643%
2019741%
20182751%
20171827%
20163914%
20153813%
201214%
2011217%
2010113%
2009519%
200838%
2007410%
200612%
200576%
200445%

Other parts of the 2021 GMC Canyon

Air bags
2 complaints
Other or unknown
2 complaints
Steering
2 complaints
Back-over prevention (rear camera)
1 complaints
Brakes
1 complaints
Electrical system
1 complaints
Engine cooling
1 complaints
Exterior lighting
1 complaints
Forward collision avoidance
1 complaints
Lane departure
1 complaints
Seat belts
1 complaints

← All problems reported for the 2021 GMC Canyon

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology